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Finding the Fourth Proportional to 597.66, 821.79 and 510.18

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Solution

The fourth proportional to 597.66, 821.79 and 510.18 is: 701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.66 : 821.79 = 510.18 : x
  2. Step 2: Convert to fraction form
    597.66/821.79 = 510.18/x
  3. Step 3: Cross multiply
    597.66x = 821.79 × 510.18
  4. Step 4: Simplify right side
    597.66x = 419,260.82
  5. Step 5: Solve for x
    x = 419,260.82/597.66
  6. Step 6: Final answer
    x = 701.50

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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.