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Finding the Fourth Proportional to 583.30, 804.75 and 373.51

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Solution

The fourth proportional to 583.30, 804.75 and 373.51 is: 515.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.30 : 804.75 = 373.51 : x
  2. Step 2: Convert to fraction form
    583.30/804.75 = 373.51/x
  3. Step 3: Cross multiply
    583.30x = 804.75 × 373.51
  4. Step 4: Simplify right side
    583.30x = 300,582.17
  5. Step 5: Solve for x
    x = 300,582.17/583.30
  6. Step 6: Final answer
    x = 515.31

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1.5x scale

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.