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Finding the Fourth Proportional to 466.68, 700.64 and 398.64

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Solution

The fourth proportional to 466.68, 700.64 and 398.64 is: 598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.68 : 700.64 = 398.64 : x
  2. Step 2: Convert to fraction form
    466.68/700.64 = 398.64/x
  3. Step 3: Cross multiply
    466.68x = 700.64 × 398.64
  4. Step 4: Simplify right side
    466.68x = 279,303.13
  5. Step 5: Solve for x
    x = 279,303.13/466.68
  6. Step 6: Final answer
    x = 598.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.