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Finding the Fourth Proportional to 384.46, 530.68 and 237.16

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Solution

The fourth proportional to 384.46, 530.68 and 237.16 is: 327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.46 : 530.68 = 237.16 : x
  2. Step 2: Convert to fraction form
    384.46/530.68 = 237.16/x
  3. Step 3: Cross multiply
    384.46x = 530.68 × 237.16
  4. Step 4: Simplify right side
    384.46x = 125,856.07
  5. Step 5: Solve for x
    x = 125,856.07/384.46
  6. Step 6: Final answer
    x = 327.36

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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.