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Finding the Fourth Proportional to 432.98, 650.36 and 368.07

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Solution

The fourth proportional to 432.98, 650.36 and 368.07 is: 552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.98 : 650.36 = 368.07 : x
  2. Step 2: Convert to fraction form
    432.98/650.36 = 368.07/x
  3. Step 3: Cross multiply
    432.98x = 650.36 × 368.07
  4. Step 4: Simplify right side
    432.98x = 239,376.16
  5. Step 5: Solve for x
    x = 239,376.16/432.98
  6. Step 6: Final answer
    x = 552.86

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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.