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Finding the Fourth Proportional to 608.60, 835.82 and 510.18

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Solution

The fourth proportional to 608.60, 835.82 and 510.18 is: 700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.60 : 835.82 = 510.18 : x
  2. Step 2: Convert to fraction form
    608.60/835.82 = 510.18/x
  3. Step 3: Cross multiply
    608.60x = 835.82 × 510.18
  4. Step 4: Simplify right side
    608.60x = 426,416.10
  5. Step 5: Solve for x
    x = 426,416.10/608.60
  6. Step 6: Final answer
    x = 700.66

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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.