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Finding the Fourth Proportional to 595.02, 820.62 and 361.74

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Solution

The fourth proportional to 595.02, 820.62 and 361.74 is: 498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.02 : 820.62 = 361.74 : x
  2. Step 2: Convert to fraction form
    595.02/820.62 = 361.74/x
  3. Step 3: Cross multiply
    595.02x = 820.62 × 361.74
  4. Step 4: Simplify right side
    595.02x = 296,851.08
  5. Step 5: Solve for x
    x = 296,851.08/595.02
  6. Step 6: Final answer
    x = 498.89

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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.