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Finding the Fourth Proportional to 597.22, 895.39 and 430.53

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Solution

The fourth proportional to 597.22, 895.39 and 430.53 is: 645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.22 : 895.39 = 430.53 : x
  2. Step 2: Convert to fraction form
    597.22/895.39 = 430.53/x
  3. Step 3: Cross multiply
    597.22x = 895.39 × 430.53
  4. Step 4: Simplify right side
    597.22x = 385,492.86
  5. Step 5: Solve for x
    x = 385,492.86/597.22
  6. Step 6: Final answer
    x = 645.48

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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.