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Finding the Fourth Proportional to 601.12, 901.76 and 292.96

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Solution

The fourth proportional to 601.12, 901.76 and 292.96 is: 439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.12 : 901.76 = 292.96 : x
  2. Step 2: Convert to fraction form
    601.12/901.76 = 292.96/x
  3. Step 3: Cross multiply
    601.12x = 901.76 × 292.96
  4. Step 4: Simplify right side
    601.12x = 264,179.61
  5. Step 5: Solve for x
    x = 264,179.61/601.12
  6. Step 6: Final answer
    x = 439.48

Related Problems

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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.