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Finding the Fourth Proportional to 657.30, 907.08 and 362.56

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Solution

The fourth proportional to 657.30, 907.08 and 362.56 is: 500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    657.30 : 907.08 = 362.56 : x
  2. Step 2: Convert to fraction form
    657.30/907.08 = 362.56/x
  3. Step 3: Cross multiply
    657.30x = 907.08 × 362.56
  4. Step 4: Simplify right side
    657.30x = 328,870.92
  5. Step 5: Solve for x
    x = 328,870.92/657.30
  6. Step 6: Final answer
    x = 500.34

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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.