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Finding the Fourth Proportional to 436.48, 598.04 and 430.69

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Solution

The fourth proportional to 436.48, 598.04 and 430.69 is: 590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.48 : 598.04 = 430.69 : x
  2. Step 2: Convert to fraction form
    436.48/598.04 = 430.69/x
  3. Step 3: Cross multiply
    436.48x = 598.04 × 430.69
  4. Step 4: Simplify right side
    436.48x = 257,569.85
  5. Step 5: Solve for x
    x = 257,569.85/436.48
  6. Step 6: Final answer
    x = 590.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.