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Finding the Fourth Proportional to 510.00, 702.78 and 362.37

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Solution

The fourth proportional to 510.00, 702.78 and 362.37 is: 499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.00 : 702.78 = 362.37 : x
  2. Step 2: Convert to fraction form
    510.00/702.78 = 362.37/x
  3. Step 3: Cross multiply
    510.00x = 702.78 × 362.37
  4. Step 4: Simplify right side
    510.00x = 254,667.67
  5. Step 5: Solve for x
    x = 254,667.67/510.00
  6. Step 6: Final answer
    x = 499.35

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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.