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Finding the Fourth Proportional to 597.60, 824.48 and 388.04

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Solution

The fourth proportional to 597.60, 824.48 and 388.04 is: 535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.60 : 824.48 = 388.04 : x
  2. Step 2: Convert to fraction form
    597.60/824.48 = 388.04/x
  3. Step 3: Cross multiply
    597.60x = 824.48 × 388.04
  4. Step 4: Simplify right side
    597.60x = 319,931.22
  5. Step 5: Solve for x
    x = 319,931.22/597.60
  6. Step 6: Final answer
    x = 535.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.