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Finding the Fourth Proportional to 600.99, 901.31 and 235.70

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Solution

The fourth proportional to 600.99, 901.31 and 235.70 is: 353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.99 : 901.31 = 235.70 : x
  2. Step 2: Convert to fraction form
    600.99/901.31 = 235.70/x
  3. Step 3: Cross multiply
    600.99x = 901.31 × 235.70
  4. Step 4: Simplify right side
    600.99x = 212,438.77
  5. Step 5: Solve for x
    x = 212,438.77/600.99
  6. Step 6: Final answer
    x = 353.48

Related Problems

Find fourth proportional to 300.50, 450.66 and 117.85
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.