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Finding the Fourth Proportional to 469.84, 707.72 and 362.38

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Solution

The fourth proportional to 469.84, 707.72 and 362.38 is: 545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.84 : 707.72 = 362.38 : x
  2. Step 2: Convert to fraction form
    469.84/707.72 = 362.38/x
  3. Step 3: Cross multiply
    469.84x = 707.72 × 362.38
  4. Step 4: Simplify right side
    469.84x = 256,463.57
  5. Step 5: Solve for x
    x = 256,463.57/469.84
  6. Step 6: Final answer
    x = 545.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.