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Finding the Fourth Proportional to 615.94, 848.88 and 510.47

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Solution

The fourth proportional to 615.94, 848.88 and 510.47 is: 703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.94 : 848.88 = 510.47 : x
  2. Step 2: Convert to fraction form
    615.94/848.88 = 510.47/x
  3. Step 3: Cross multiply
    615.94x = 848.88 × 510.47
  4. Step 4: Simplify right side
    615.94x = 433,326.71
  5. Step 5: Solve for x
    x = 433,326.71/615.94
  6. Step 6: Final answer
    x = 703.52

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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.