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Finding the Fourth Proportional to 375.79, 560.91 and 352.71

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Solution

The fourth proportional to 375.79, 560.91 and 352.71 is: 526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.79 : 560.91 = 352.71 : x
  2. Step 2: Convert to fraction form
    375.79/560.91 = 352.71/x
  3. Step 3: Cross multiply
    375.79x = 560.91 × 352.71
  4. Step 4: Simplify right side
    375.79x = 197,838.57
  5. Step 5: Solve for x
    x = 197,838.57/375.79
  6. Step 6: Final answer
    x = 526.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.