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Finding the Fourth Proportional to 924.43, 1,385.98 and 437

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Solution

The fourth proportional to 924.43, 1,385.98 and 437 is: 655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.43 : 1,385.98 = 437 : x
  2. Step 2: Convert to fraction form
    924.43/1,385.98 = 437/x
  3. Step 3: Cross multiply
    924.43x = 1,385.98 × 437
  4. Step 4: Simplify right side
    924.43x = 605,673.26
  5. Step 5: Solve for x
    x = 605,673.26/924.43
  6. Step 6: Final answer
    x = 655.19

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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.