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Finding the Fourth Proportional to 373.22, 560.74 and 352.49

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Solution

The fourth proportional to 373.22, 560.74 and 352.49 is: 529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.22 : 560.74 = 352.49 : x
  2. Step 2: Convert to fraction form
    373.22/560.74 = 352.49/x
  3. Step 3: Cross multiply
    373.22x = 560.74 × 352.49
  4. Step 4: Simplify right side
    373.22x = 197,655.76
  5. Step 5: Solve for x
    x = 197,655.76/373.22
  6. Step 6: Final answer
    x = 529.60

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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.