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Finding the Fourth Proportional to 602.93, 904.52 and 256.26

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Solution

The fourth proportional to 602.93, 904.52 and 256.26 is: 384.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.93 : 904.52 = 256.26 : x
  2. Step 2: Convert to fraction form
    602.93/904.52 = 256.26/x
  3. Step 3: Cross multiply
    602.93x = 904.52 × 256.26
  4. Step 4: Simplify right side
    602.93x = 231,792.30
  5. Step 5: Solve for x
    x = 231,792.30/602.93
  6. Step 6: Final answer
    x = 384.44

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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.