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Finding the Fourth Proportional to 602.64, 900.72 and 554.04

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Solution

The fourth proportional to 602.64, 900.72 and 554.04 is: 828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.64 : 900.72 = 554.04 : x
  2. Step 2: Convert to fraction form
    602.64/900.72 = 554.04/x
  3. Step 3: Cross multiply
    602.64x = 900.72 × 554.04
  4. Step 4: Simplify right side
    602.64x = 499,034.91
  5. Step 5: Solve for x
    x = 499,034.91/602.64
  6. Step 6: Final answer
    x = 828.08

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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.