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Finding the Fourth Proportional to 292.63, 439.58 and 282.91

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Solution

The fourth proportional to 292.63, 439.58 and 282.91 is: 424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.63 : 439.58 = 282.91 : x
  2. Step 2: Convert to fraction form
    292.63/439.58 = 282.91/x
  3. Step 3: Cross multiply
    292.63x = 439.58 × 282.91
  4. Step 4: Simplify right side
    292.63x = 124,361.58
  5. Step 5: Solve for x
    x = 124,361.58/292.63
  6. Step 6: Final answer
    x = 424.98

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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.