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Finding the Fourth Proportional to 352.17, 530.64 and 292.63

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Solution

The fourth proportional to 352.17, 530.64 and 292.63 is: 440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.17 : 530.64 = 292.63 : x
  2. Step 2: Convert to fraction form
    352.17/530.64 = 292.63/x
  3. Step 3: Cross multiply
    352.17x = 530.64 × 292.63
  4. Step 4: Simplify right side
    352.17x = 155,281.18
  5. Step 5: Solve for x
    x = 155,281.18/352.17
  6. Step 6: Final answer
    x = 440.93

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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.