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Finding the Fourth Proportional to 600, 899.70 and 291.66

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Solution

The fourth proportional to 600, 899.70 and 291.66 is: 437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    600 : 899.70 = 291.66 : x
  2. Step 2: Convert to fraction form
    600/899.70 = 291.66/x
  3. Step 3: Cross multiply
    600x = 899.70 × 291.66
  4. Step 4: Simplify right side
    600x = 262,406.50
  5. Step 5: Solve for x
    x = 262,406.50/600
  6. Step 6: Final answer
    x = 437.34

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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.