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Finding the Fourth Proportional to 295.03, 439.77 and 290.17

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Solution

The fourth proportional to 295.03, 439.77 and 290.17 is: 432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.03 : 439.77 = 290.17 : x
  2. Step 2: Convert to fraction form
    295.03/439.77 = 290.17/x
  3. Step 3: Cross multiply
    295.03x = 439.77 × 290.17
  4. Step 4: Simplify right side
    295.03x = 127,608.06
  5. Step 5: Solve for x
    x = 127,608.06/295.03
  6. Step 6: Final answer
    x = 432.53

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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.