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Finding the Fourth Proportional to 295.08, 439.59 and 278.52

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Solution

The fourth proportional to 295.08, 439.59 and 278.52 is: 414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.08 : 439.59 = 278.52 : x
  2. Step 2: Convert to fraction form
    295.08/439.59 = 278.52/x
  3. Step 3: Cross multiply
    295.08x = 439.59 × 278.52
  4. Step 4: Simplify right side
    295.08x = 122,434.61
  5. Step 5: Solve for x
    x = 122,434.61/295.08
  6. Step 6: Final answer
    x = 414.92

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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.