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Finding the Fourth Proportional to 295.81, 440.47 and 292.54

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Solution

The fourth proportional to 295.81, 440.47 and 292.54 is: 435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.81 : 440.47 = 292.54 : x
  2. Step 2: Convert to fraction form
    295.81/440.47 = 292.54/x
  3. Step 3: Cross multiply
    295.81x = 440.47 × 292.54
  4. Step 4: Simplify right side
    295.81x = 128,853.63
  5. Step 5: Solve for x
    x = 128,853.63/295.81
  6. Step 6: Final answer
    x = 435.60

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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.