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Finding the Fourth Proportional to 510.07, 702.33 and 436.21

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Solution

The fourth proportional to 510.07, 702.33 and 436.21 is: 600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.07 : 702.33 = 436.21 : x
  2. Step 2: Convert to fraction form
    510.07/702.33 = 436.21/x
  3. Step 3: Cross multiply
    510.07x = 702.33 × 436.21
  4. Step 4: Simplify right side
    510.07x = 306,363.37
  5. Step 5: Solve for x
    x = 306,363.37/510.07
  6. Step 6: Final answer
    x = 600.63

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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.