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Finding the Fourth Proportional to 295.52, 407.91 and 177.58

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Solution

The fourth proportional to 295.52, 407.91 and 177.58 is: 245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.52 : 407.91 = 177.58 : x
  2. Step 2: Convert to fraction form
    295.52/407.91 = 177.58/x
  3. Step 3: Cross multiply
    295.52x = 407.91 × 177.58
  4. Step 4: Simplify right side
    295.52x = 72,436.66
  5. Step 5: Solve for x
    x = 72,436.66/295.52
  6. Step 6: Final answer
    x = 245.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.