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Finding the Fourth Proportional to 652.97, 901.09 and 358.25

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Solution

The fourth proportional to 652.97, 901.09 and 358.25 is: 494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.97 : 901.09 = 358.25 : x
  2. Step 2: Convert to fraction form
    652.97/901.09 = 358.25/x
  3. Step 3: Cross multiply
    652.97x = 901.09 × 358.25
  4. Step 4: Simplify right side
    652.97x = 322,811.43
  5. Step 5: Solve for x
    x = 322,811.43/652.97
  6. Step 6: Final answer
    x = 494.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.