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Finding the Fourth Proportional to 602.32, 903.12 and 293.80

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Solution

The fourth proportional to 602.32, 903.12 and 293.80 is: 440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.32 : 903.12 = 293.80 : x
  2. Step 2: Convert to fraction form
    602.32/903.12 = 293.80/x
  3. Step 3: Cross multiply
    602.32x = 903.12 × 293.80
  4. Step 4: Simplify right side
    602.32x = 265,336.66
  5. Step 5: Solve for x
    x = 265,336.66/602.32
  6. Step 6: Final answer
    x = 440.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.