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Finding the Fourth Proportional to 510.02, 703.83 and 277.15

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Solution

The fourth proportional to 510.02, 703.83 and 277.15 is: 382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.02 : 703.83 = 277.15 : x
  2. Step 2: Convert to fraction form
    510.02/703.83 = 277.15/x
  3. Step 3: Cross multiply
    510.02x = 703.83 × 277.15
  4. Step 4: Simplify right side
    510.02x = 195,066.16
  5. Step 5: Solve for x
    x = 195,066.16/510.02
  6. Step 6: Final answer
    x = 382.47

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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.