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Finding the Fourth Proportional to 500.33, 749.65 and 353.84

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Solution

The fourth proportional to 500.33, 749.65 and 353.84 is: 530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.33 : 749.65 = 353.84 : x
  2. Step 2: Convert to fraction form
    500.33/749.65 = 353.84/x
  3. Step 3: Cross multiply
    500.33x = 749.65 × 353.84
  4. Step 4: Simplify right side
    500.33x = 265,256.16
  5. Step 5: Solve for x
    x = 265,256.16/500.33
  6. Step 6: Final answer
    x = 530.16

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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.